comet and spectroscopic observations on 26 febr. 2023

a clear night with very good transparancy and low humidity. Perffect night to observe despite some disturbing moonlight. several comets could be observed: 29P, 118P, 119P, 211P, C/2020 S4, C/2022 A3, C/2023 B1. with the C11 and LHIRES III spectograph some spectra in high resolution could be obtained of H-alpha emission stars: V1165 Tau, PZ Gem, CQ Uma.